<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>表格标签</title>
</head>
<body>
    <table border="1" width="50%" cellpadding="0" cellspacing="0" bgcolor="aqua" align="center">
        <tr>
            <td>编号</td>
            <td>姓名</td>
            <td>成绩</td>
        </tr>
    
        <tr>
            <td>01</td>
            <td>aa</td>
            <td>99</td>
        </tr>
    
        <tr>
            <td>02</td>
            <td>bb</td>
            <td>98</td>
        </tr>
    </table>
    
    <hr>
    
    <table border="1" width="50%" cellpadding="0" cellspacing="0" bgcolor="aqua" align="center">
        <thead>
            <caption>aaa</caption>
            
            <tr>
                <td>编号</td>
                <td>姓名</td>
                <td>成绩</td>
            </tr>
        </thead>
        
        <tbody>
            <tr bgcolor="#f5f5dc" align="center">
                <td>01</td>
                <td>aa</td>
                <td>99</td>
            </tr>
        
            <tr>
                <td>02</td>
                <td>bb</td>
                <td>98</td>
            </tr>
        </tbody>
        
        <tfoot>
            <tr>
                <td>02</td>
                <td>bb</td>
                <td>98</td>
            </tr>
        </tfoot>
    </table>
    
    <hr>

    <table border="1" width="50%" cellpadding="0" cellspacing="0" bgcolor="aqua" align="center">
   
        <caption>aaa</caption>
    
        <tr>
            <td rowspan="2">编号</td>
            <td>姓名</td>
            <td>成绩</td>
        </tr>
   
    
     
        <tr bgcolor="#f5f5dc" align="center">
            <td>01</td>
            <td>aa</td>
        </tr>
    
        <tr>
            <td>02</td>
            <td colspan="2">bb</td>
        </tr>
        
  
    </table>
</body>
</html>